122358918947 has 2 divisors, whose sum is σ = 122358918948. Its totient is φ = 122358918946.

The previous prime is 122358918923. The next prime is 122358918953. The reversal of 122358918947 is 749819853221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122358918947 - 2³⁶ = 53639442211 is a prime.

It is not a weakly prime, because it can be changed into another prime (122358918917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61179459473 + 61179459474.

It is an arithmetic number, because the mean of its divisors is an integer number (61179459474).

Almost surely, 2^122358918947 is an apocalyptic number.

122358918947 is a deficient number, since it is larger than the sum of its proper divisors (1).

122358918947 is an equidigital number, since it uses as much as digits as its factorization.

122358918947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 59.

The spelling of 122358918947 in words is "one hundred twenty-two billion, three hundred fifty-eight million, nine hundred eighteen thousand, nine hundred forty-seven".